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Charlie's Garage Sale


Also known as 4T60

Used 1985-92 in many GM models (replaced by the 4T60E, but was phased out, so there is MUCH overlap).

It had an aluminum case. It was distinguishable from the 4T60E in that it did not have a detachable differential housing, had a TV cable and a snap ring retained servo on the side of the case.
This was an hydraulically controlled front wheel drive overdrive transmission with electronically controlled torque converter lockup.

Horizontal cooler line is the cooler return line.

Band adjustments:
Intermediate = not adjustable
Reverse = not adjustable

Gear Ratios:
2.921:1 1st gear
1.568:1 2nd gear
1.00:1 3rd gear
0.705:1 4th gear
2.385:1 reverse



(click on picture to enlarge)

Pan gasket

(click on picture to enlarge)

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